Application of Electromagnetic Waves Flashcards
transmission of energy in the form of waves and particles through space or material medium
radiation
radiation as sufficient energy to interact with matter, especially to human body and produce ions
ionizing radiation
wireless communication
radio waves
produced by making electrons vibrate in an antenna
radio waves
a radio station sound converted by a microphone into patterns of electric current variations
audio frequency
high frequency radio waves
radio frequency
high frequency waves provide a _____________________ of broadcasting
high quality
longest wavelength
radio wave
satellite communication
microwaves
can penetrates the atmosphere of the earth
microwave
R.A.D.A.R
Radio Detection and Ranging
radar system composts of __
antenna
transmitter
receiver
terrestrial communication
microwave
invisible heat
infrared waves
info bout infrared waves
the amount and wavelength of radiation depend on the temperature
infrared waves:
below 500 deg celcius
above 500 deg celcius
only infrared radiation
infrared radiation and visible light
shades of blue and green color indicate regions of?
colder temperatures
red and yellow indicate _____
warmer
remote control
infrared radiation
night vision goggles
infrared radiation
essential for photosynthesis
visible light
production of light
incandescent-
fluorescent-
neon light-
-produced by heat
-cooler less energy
-same with fluorescent but with other neon gas
heat energy
ultraviolet radiation
main source of ultraviolet radiation
sun
uv lamp
ultraviolet radiation
penetrate radiation
x-ray
shorter wavelength but higher energy than ultraviolet
x ray
who discovered xray
willem conrad renkin, 1895
used in industry to inspect welded joints for faults
x ray
nuclear energy
gamma rays
radiotherapy
gamma rays
used for sterilization of drinking water
gamma rays
